Valve.



. I, ATKEN VALVE,

APPLIOMHON FILED APR. 14, 1913.

Lmm @mummy m 19M,

said valve, said stem andspring loeing'lo-Y cated between said projectionand the openy ing in the valve seat.

2. The combination with a valve seat 5 plate havingy an opening therein, of a' pivot 'stein secured to said plate at one side of the opening thereof, a valve pivoted on said stein, a spring surrounding said stem and pressing' the valve against the plate, a pro- 10 jection on the plate forming a fulcruin sup-4 on the plate forming a fuloruni support for the valve, said pivot stem being located between the said fuloruni support and the opening in the Valve seat plate, said valve on its inner face being free from Contact with said plate between said fulerum support and the seat around the opening in the plate for the valve, whereby said spring bearing against the valve will force said valve against the valve seat plate at the opening therein, and a stop carried by the plate for limiting the closing InoveuientQof the valve.

In testimony whereof, I have hereunto signed my name at Buffalo, New York, this 7th day ofApril, 1913.

ALLAN J. AITKEN.

lVitnesses 1 DANIEL V. MURPHY,

HENRY A. Summon.

said valve. is vmoved to close said opening, and a stop carried by the plate to limit the 15 closing movement of said valve.

3. The combination with a v'alve seat plate having an opening therein, of a pivot stem secured-to said plate at one side of said opening, a valve pivoted on said stem,

20 a spring surrounding the stein, a projection 

